P0230 — Fuel Pump Primary Circuit Malfunctioning
| Meaning | The engine computer has detected an electrical fault in the primary circuit that controls the fuel pump relay. This means the signal between the computer and the pump power supply is not working as expected, which can interrupt fuel delivery to the engine. |
| Family | Powertrain (P) |
Typical symptoms
The engine unexpectedly cuts out while driving
A noticeable lack of power or hesitation under acceleration
Common causes
Corroded, loose, or damaged wiring in the fuel pump circuit
A failing fuel pump drawing excessive electrical current
What to do
Frequently asked questions
What does code P0230 mean?
Fuel Pump Primary Circuit Malfunctioning. The engine computer has detected an electrical fault in the primary circuit that controls the fuel pump relay. This means the signal between the computer and the pump power supply is not working as expected, which can interrupt fuel delivery to the engine.
Can I keep driving with code P0230 active?
With caution: limp mode possible, have it checked soon
Common causes — P0230
A blown fuse or a faulty fuel pump relay Corroded, loose, or damaged wiring in the fuel pump circuit A failing fuel pump drawing excessive electrical current
How do you fix code P0230?
You should check the fuel pump fuse and relay first, as these are the most common and accessible points of failure. Address this issue promptly, because if the circuit fails completely, the car will not run at all.
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